adrenalectomy unilateral adrenalectomy 2013-06-20T17:50:15Z The surgical excision of only one of the adrenal glands, two small, dissimilarly shaped endocrine glands, one located above each kidney, consisting of the cortex, which secretes several steroid hormones, and the medulla, which secretes epinephrine. XCO:0000305 experimental_condition_ontology jsmith unilateral suprarenalectomy